For the San Francisco house of Alexis and Trevor Traina, interior designer Thomas Britt used a rich crimson brocade to offset the couple’s art collection, which includes works by, from left, Hiroshi Sugimoto, John Baldessari and Jackie Nickerson.

Photo by Simon Upton.

At the 2014 Kips Bay Decorator Show House in New York City, William T. Georgis employed a ruby hue from floor to ceiling, giving a contemporary jolt to the historic, McKim Mead and White-designed home.

Photo by Timothy Bell.

For the library of a Nashville home, Markham Roberts used a handful of burnt-red prints for floor coverings, draperies and upholstery.

Photo by Nelson Hancock courtesy of Vendome Press.

For a house in Locust Valley, New York, Miles Redd used red lacquered walls to add a high-octane twist to classic decor.

Photo by Paul Costello.

In the guest room of a restored late-Georgian London townhouse, Timothy Whealon used red and white ticking to create a canopy for a French Directoire campaign bed. The bedspread is an antique Persian textile.

Photo courtesy of Elle Décor.

At the Connecticut home of designer Robert Couturier, crimson accents — including Lesage-embroidered curtains —punctuate the dining room.

Photo by Tim Street-Porter.

An image of Miles Redd’s famous “red and pink” room — from the designer’s own New York City townhouse — shows how the designer deftly paired a tufted red sofa with lipstick-pink walls.

Photo courtesy of Miles Redd.

At Cordts Mansion — an 1873 Second Empire brick house in Kingston, New York, owned by artist Hunt Slonem — this ruby-colored seating space is one of 30 jewel-toned rooms.

Photo by Marco Ricca.

The conference room of this London bank features an 18th-century ceiling and moldings, which designer Christopher Hodsoll refurbished during a 1985 renovation.

Photo by Peter Hodsoll.

Doug and Gene Meyer — who are known for their penchant for rainbow-bright shades — designed this all-red living room for a New York couple who collect American urban photography.

Photo courtesy of Doug and Gene Meyer.

At his Upstate New York country home, architect Alan Wanzenberg painted the walls a persimmon hue that recalls the fruit trees that grow nearby.

Photo by William Abranowicz.

This room from Henri Samuel‘s apartment legendary Paris apartment shows how the interior designer artfully combined antiques with modern pieces against a canvas of red silk wall-panels.